W-3B特点：
ZW-3B开放式过滤器由采用薄膜过滤法原理，与TW-303/STV6/STV3配套使用的专业哭材。主要用于各类水质、药品、食品等介质中微生物检测及实验室中进行除菌、除微粒等。它具有可重复使用、操作过程不易受到污染、晚于清洁等特点。

Features :
 ZW-3B open filters by using membrane filtration method principle, ZW-600/300/STV6A/STV3A and supporting the professional use of wood cry. Mainly used for various types of water, medicine, food and other media and microbiological testing laboratory for sterilization, in addition to other particles. It is reusable, and the operation less susceptible to pollution, in the evening cleaning characteristics.